Wall-anchor.



IBA IB. MALABY, 0F PHILADELPHIA, PENNSYLVANIA, ASSIGNOR T0 NORMAN-MELLR,

v 0F PHILADELPHIA, PENNSYLVANIA.

WALL-ANCHOR.

To all whom vz'z may concern.-

Be it known that I, IRA B. MALABY, a

citizen of the United States, residing in Philadelphia, Pennsylvania,have inventedtation relatively to the structure fin which it is mountedduring the time in which a I screw or collapsing tool is being operatedfor' the vpurpose of setting up or collapsing it.

The invention also contemplates a novel form of relatively weak sidemembers for the wall anchor whereby they are caused to I f bend atcertain. definite points when the' anchor is collapsed in order thatthey may most advantageously engage the structure on Whichthey aremounte y A furtherobject of the invention is to vprovide a wall anchorparticularly designed` Afor use in connecting articles such as curtainlsupporting lixturesto sheet metal structures,

- lsuch as metallic window frames, the construction being such that whencollapsed its relatively Weak members shall bow in such a manner as to-cause them to engage said sheet metal structure in the position bestcalculated to permanently retain the anchor in place, and that withoutinjury to the strength of the anchor.

Thesevobjects and other advantageous ends I secure as hereinafter setforth, reference being had to the accompanying drawings, in

Figure 1 is a perspective view of a wall anchor'- constructed accordingto myfinvention; Fig. 2 is an inverted perspective view of the tail endof the anchor shown in Fig. 1; Fig. 3 is a planshowing the anchor asinserted in a properly formed hole in a body of sheet metal; 4Fi 4 is aside elevation illustrating the wal anchor in its collapsed positionwith aV holding screw mounted therein, and Figs. 5 and 6 are fragmentaryperspective viewsillustrating special forms of my invention. ;I

In the above drawings 1 and 2resp'ectively represent the annular headand tail portions of a fastener or wall anchor and these parts areconnected by any suitable number (in the prsent case three) laterallySpecification of Letters Patent. i

Application led September 25, 191e. Serial No. $63,555.

Patented Deo-19, ii.

weak members 4 which are outwardl bowed at a point approximatelyone-thirdy of the distance' `trom the head toward the tail portion.qSaid portions l and 2 leach consists of an annular structure whichwhile it may be made in vsplit form with its ends 16 slightly separatedand diverging, is prefer ably continuous',v said ends being brazed orwelded, or mechanically connected as shown .in Figs. 5 and 6, 55 Inaddition the head portion 1 has two In fthatjforni of the inventionshown in 75.,

F ig. 5 one ofthe ends of either or both of the parts 1` or 2 isprovided witlra dovetail reces andthe other with asimilarly 'formedproje .tion 12 fitting said recess so that said' ends are effectuallyyheld from separation. g@

In 6 the two ends of the portion 2 are showl; as each having a laterallyprojecting lug 1- While the helical ring 5 is made with v,

'an edge recess into which both of said lugs t.

The wall anchor above described is par,u g5

'ticularly designed for connecting rigidly tolin material gether twoparallel bodies of t such as sheet metal, though obviously it may Ibeused for other purposes, and in practice I prepare the supporting bodyof materialv o0 for reception `of the anchor by forming in it a circularhole 6 and at twoopposite points of said hole, cutting recesses bypressing out tongues 7 which project .with thein' upper surfaces adefinite distance below the under 95 surface of said body of metal 8.'The diameter of the hole 6 is such that it `will permit of passagethrough it of the tail portion 2 and the side members 4 of the wallanchor,

as well as the head 1, except for the -act 10o that the wings 3 of saidhead tit into the recesses 9 from which the tongues 7 are pressed andare supported by the latter in such positions that their upper edges aswell as the top edge of the head 1 are substantially los flush with thetop surface ,ofthe body of Inaterial 8.

The wall anchor is thus firmly supported so that it extends in a linesubstantially at right angles'to the plane of the sheet 'mate- 1w rIhetail rial 8 and b suitable means7 such as the tool described and claimedin my patent aforesaid; it may be collapsed so that its various partsoccupy the relative positions shown in Fig. -l-. In this collapsingoperation the laterally weak side members 4, which as shown, are so madeas to bow outwardly adjacent their upper ends, are bent upon themselvesin such manner that they are inclined upwardly toward the under su rfaceof the material 8 and by reason of the initial bend originally giventhem finally make point contact with it as shown in Fig. Il, so thatthey are in the best possible position to withstand an outward pull onthe helical part 5.

Obviously the anchor can not fall out of the sheet material S since itswings 3 are held by the tongues 7 from passing through the openingtherein7 while the bent side members L prevent withdrawal in theopposite direction. The anchor is thus in the form of a socket forthereception of ascrew or bolt 10 which may be passed through it andthreaded into its helical member 5 so as to rigidly connect any desiredstructure such as thesheet metal fixture l1 to the body 8. rl`he wall.anchor above described is made of a single integral piece of sheetmetal properly stamped, rolled up and formed; being made of somestructurally strong material suchas steel, having the necessaryproperties to permit of its manufacture and use without fracture orweakening.

1. A wallV anchor consisting of annular head and tailsections; laterallyweak meinbers connecting said sections; and a plurality of oppositelyplaced wings projecting from the head section in planes substantiallyparallel to the axis of the anchor.

2. A wall anchor consisting of annular head and tail sections; laterallyweak members connecting said sections; with a plural- .ity of tonguesbent out of the side parts of the head section and projecting inopposite directions in substantially the same straight line, saidtongues lying in planes substantially parallel to the axis of theanchor.

3. The.combination of a body of sheet material having a hole providedwith two oppositely' teamed recesses and tongues projecting undersaidrecesses; with a wall anchor extending through said hole andincluding oppositely extending wings entering the recesses and supportedon the tongues.

4. The combination of a body of sheet inat'erial having a hole providedwith two op- -positely formed recesses and tongues proand tail sectionsand bent to extend in fiattened U-form at an angle to the axis oi theanchor into engagement with. the underside of said body of sheetmaterial; with laterally projecting wings from the head section of thewall anchor extending within the recesses of the sheet material andprevented by the tongues from passing through the saine.

6. A wall anchor consisting of split annular head and tailvsections ofwhich at least one has its ends permanently connected; with laterallyweak members connecting said sections. A

7. A wall anchor. consisting of annular head and tail sections of whichthe latter is split and has lugs projecting adjacent its ends; with aring attached to said tail sec# tion and recessed for the reception ofthe lugs thereof.

8. A wall anchor consisting of annular head and tail sections of whichthe latter is split and has lugs projecting adjacent itsA IRA B. MALABY.

`Witnessesz WILLIAM E. BRADLEY,

Wan-A. BARR.

